1.50 - 1.99ct I SI2 Natural Marquise
As of April 2026, there are 1,187 natural marquise diamonds with I color and SI2 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from $249 CAD to $459,345 CAD, with an average of $9,122 CAD.
Last updated: April 2026
Available
1,187
Lowest Price
$249 CAD
Highest Price
$459,345 CAD
Average Price
$9,122 CAD
Market Intelligence
Retailers Selling
44
Cross Retailer %
N/A
Price Spread
53.8%
30-Day Price Trend
N/A
30-Day Supply Change
N/A
Volatility (30d)
N/A
Price Range
Price per carat distribution across retailers
10th Percentile
$2,844
Median
$4,946
90th Percentile
$7,502
Score Distribution
1.2K diamonds scored across 4 quality tiers
Excellent
215 (18.1%)
Very Good
419 (35.3%)
Good
416 (35.0%)
Average
137 (11.5%)
Find Your Diamond
Search 1,187 I SI2 marquise diamonds and compare prices.
Search DiamondsConsider Instead
Save money without compromising on what matters. These alternatives are visually similar but cost less.